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authorbors <bors@rust-lang.org>2018-03-31 06:40:56 +0000
committerbors <bors@rust-lang.org>2018-03-31 06:40:56 +0000
commit085c4b43b567298aa7af21a92426f49633919047 (patch)
treeaf7281d967b5867d7b4536bebff79c2041625a20 /src/rustllvm/RustWrapper.cpp
parent3c5f8509581c1a3072496db04a6af32c76d1af61 (diff)
parent5057e3c9e10f329d39a0e45607cf6a9ab467f7bf (diff)
downloadrust-085c4b43b567298aa7af21a92426f49633919047.tar.gz
rust-085c4b43b567298aa7af21a92426f49633919047.zip
Auto merge of #49201 - Phlosioneer:add-trivial-size-hints, r=SimonSapin
Implement some trivial size_hints for various iterators

This also implements ExactSizeIterator where applicable.

Addresses most of the Iterator traits mentioned in #23708.

I intend to do more, but I don't want to make the PR too large.
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